Classification of skew-Hadamard matrices of order 32 and association schemes of order 31

Hanaki, A; Kharaghani, H; Mohammadian, A; Tayfeh-Rezaie, B

Mohammadian, A (corresponding author), Anhui Univ, Sch Math Sci, Hefei 230601, Anhui, Peoples R China.

JOURNAL OF COMBINATORIAL DESIGNS, 2020; 28 (6): 421

Abstract

Using a backtracking algorithm along with an essential change to the rows of representatives of known 13 710 027 equivalence classes of Hadamard matri......

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